Histone deacetylase interacts with a WRKY transcription factor to regulate the expression of the small rubber particle protein gene from Hevea brasiliensis
文献类型： 外文期刊
作者： Li, Hui-Liang 1 ; Qu, Long 2 ; Guo, Dong 1 ; Wang, Ying 1 ; Zhu, Jia-Hong 1 ; Peng, Shi-Qing 1 ;
作者机构： 1.Chinese Acad Trop Agr Sci, Inst Trop Biosci & Biotechnol, Minist Agr, Key Lab Biol & Genet Resources Trop Crops, 4 Xueyuan Rd, Haikou 571101, Hainan, Peoples R China
2.Hainan Univ, Sch Life & Pharmaceut Sci, Haikou 570228, Hainan, Peoples R China
3.CATAS, Hainan Acad Trop Agr Resource, Haikou 571101, Hainan, Peoples R China
关键词： Hevea brasiliensis; Natural rubber; Small rubber particle protein; Histone deacetylase; WRKY protein
期刊名称：INDUSTRIAL CROPS AND PRODUCTS （ 影响因子：5.645； 五年影响因子：5.749 ）
ISSN： 0926-6690
年卷期： 2020 年 145 卷
页码：
收录情况： SCI
摘要： Small rubber particle protein (SRPP) is an abundant rubber particle-associated protein that serves as a co-factor in the biosynthesis of natural rubber in Hevea brasiliensis. However, knowledge of SRPP gene (HbSRPP) expression in transcriptional regulation remains limited. In this work, the yeast one-hybrid experiment was performed to obtain the transcription factors that regulated HbSRPP and further study the natural rubber biosynthesis at the transcriptional level. A group I-type WRKY transcription factor (designated as HbWRKY14) was obtained, and expression analysis results showed that HbWRKY14 was highly expressed in latex. Moreover, methyl jasmonate and ethrel upregulated HbWRKY14 expression. HbWRKY14 can bind to the promoter of HbSRPP and showed capability to suppress the HbSRPP promoter. Thus, HbWRKY14 functions as a negative regulator of HbSRPP expression. Furthermore, H. brasiliensis histone deacetylase (named HbHDA3) interacted with HbWRKY14 and such interaction might relieve the HbWRKY14-mediated HbSRPP transcription inhibition.
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